Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Geirud Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Geirud Formation | |
| RT | Devonian |
| Carboniferous | |
| Permian | |
| Iran | |
| Elburz | |
| SN | Upper Devonian, Carboniferous and possibly Lower Permian. Central Elburz Mountains in N Iran. Indexed with ages as applicable. |